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What stage do chromosomes attach to spinal fibers in cell division?
Chromosomes attach to spindle fibers during the metaphase stage of cell division. In this phase, the chromosomes align along the metaphase plate in the center of the cell, and the spindle fibers, which originate from the centrosomes, attach to the kinetochores on the centromeres of the chromosomes. This alignment is crucial for the proper separation of sister chromatids during the subsequent anaphase.
What discovery in the 1900 supported Mendel's ideas?
Chromosomes
Would you expect children with the same two parents to have the same sets of chromosomes?
No, children with the same two parents do not have the same sets of chromosomes. Each child inherits a unique combination of chromosomes from their parents due to the processes of meiosis and genetic recombination. While siblings share approximately 50% of their DNA, the specific combination of alleles and genes can differ significantly, leading to variations in traits and characteristics. Identical twins are an exception, as they originate from a single fertilized egg that splits, resulting in identical sets of chromosomes.
All chromosomes except the X and Y sex chromosomes are called?
homologous chromosomes and autosomal chromosomes
How many chromosomes do lobsters have?
A lobster has 100 chromosomes. Humans have 46 chromosomes, the same as a lizard. A dog has 78 chromosomes, and a fly has 12 chromosomes.
What organelles are used to move chromosomes?
Chromosomes are moved during cell division by the spindle fibers, which are made up of microtubules originating from the centrosomes. The centrosomes are organelles located near the nucleus in animal cells and help to organize the mitotic spindle during cell division.
Are sex chromosomes called homozygous chromosomes?
No, sex chromosomes are not referred to as homozygous chromosomes. Homozygous chromosomes have identical alleles at a specific gene locus, while sex chromosomes determine an individual's biological sex. In humans, sex chromosomes include X and Y chromosomes.
The stringy structures in the cell nucleus that contain DNA are?
chromosomes
What are chromosomes in?
chromosomes are in cells
How many chromosomes are your body chromosomes?
We have 46 chromosomes in our body. In each cell, there's 23 pairs of chromosomes.
How many pairs of chromosomes does a pigeon have?
There are about 20 living species of penguins. It depends on the kind of penguin. Most penguins have 30 chromosomes.
How do autosomal chromosomes different from sex chromosomes?
autosomal chromosomes carry diverse info sex chromosomes determine an individual's sex ---- ok, that is some other dude's answer, now here is mine: the autosomal is all the chromosomes, except for the sex chromosomes. so, in a sense, the autosomal has nothing to do with the sex chromosomes. sex chromosomes determine the offspring's sex, as the guy above said it. autosomal is simply all of the other chromosomes ----- For A+ the answer is "Autosomal chromosomes carry diverse information; sex chromosomes determine an individual's sex."
